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基于BP网络的光纤化学pH传感系统 被引量:1

BP Network Based Fiber Optic Chemical pH Sensing System
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摘要 介绍了将BP神经网络用于光纤化学pH传感器光谱信号处理的基本原理、算法和初步试验结果。有助于建立传统方法所难以实现的传感器与分析物之间的复杂的数学关系 ,从而降低识别器对选择性与灵敏度的要求。 The basic principle, algorithm and test result of using BP neural network for processing the spectrum signal from fiber optic chemical pH transducer are presented. The method is helpful to establish the complicated mathematical relation between transducer and analyzed object. In such case, it is hard to implement by conventional method. Thus it lowered the requirement of recognitor on selectivity and sensitivity.
作者 杨翠容
出处 《自动化仪表》 CAS 北大核心 2001年第7期14-16,共3页 Process Automation Instrumentation
关键词 pH值测量 光纤化学传感器 BP网络 信号处理 pH measurement Fiber optic chemical transducer BP network Signal processing
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参考文献4

  • 1[1]Marcos S, Wolfbeis O. Optical sensing of pH based on polypyrrole films, Anal. Chim. Acta,1996,334∶149~153
  • 2[2]Egami C, Takeda K. et al. Evanescent-wave spectroscopic fiber optic pH sensor, Optics Communications,1996,122∶122~126
  • 3[3]Avraham B, Judith Z. et al. Optical-fibre sensors for blood gases and pH, based on porous glass tips, Sensors and Actuators B,1996,31∶181~191
  • 4[4]Gupta B, Sharma D. Evanescent wave absorption based fiber optic pH sensor prepared by dye doped sol-gel immobilization technique, Optics Communications,1997,140∶32~35

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